HOLLOW VALVE FOR AN ENGINE
The embodiments of the present invention comprise a coolant-free hollow valve with a cavity (5000) and a vacuum being enclosed in the cavity (5000). The valve is used for an engine and one example of an engine is an internal combustion e...

WO/2019/167260A1

VALVE FOR INTERNAL COMBUSTION ENGINES
Provided is a valve for internal combustion engines, which is capable of minimizing the possibility of detachment of an outer peripheral part of a heat insulating layer firmly fixed to a valve bottom surface. A valve bottom surface (5) i...

WO/2019/163937A1

SINTERED VALVE GUIDE AND METHOD FOR PRODUCING SAME
Provided are: a sintered valve guide which has high strength and exhibits excellent wear resistance and machinability; and a method for producing this sintered valve guide. A sintered valve guide according to the present invention has a ...

WO/2019/151322A1

VALVE SEAT AND VALVE SEAT MATERIAL
This valve seat is press-fit into a cylinder head for an internal combustion engine and comes into contact with a valve. The outer peripheral surface of the valve seat is provided with a rough surface region having a portion with recesse...

WO/2019/149297A1

AXIAL PISTON MOTOR
In order, in the case of an axial piston motor, to make a satisfactory degree of efficiency possible, even at comparatively high rotational speeds, and to reduce the risk of the production of carbon monoxide and/or the quantity of unburn...

WO/2018/112453A8

THERMOMETRIC METALLURGY MATERIALS
A thermometric powder metal material for testing to replicate an actual powder material during use of the actual powder metal material in an internal combustion engine is provided. The thermometric powder metal material includes pores an...

INTERNAL COMBUSTION ENGINE
The purpose of the present invention is to increase the volume of exhaust gas that is discharged from a combustion chamber to an intake port and reliably ensure the volume of exhaust gas that is re-introduced to the combustion chamber, i...

SELF SEALING JETTING VALVE
An apparatus for use in marine platform jacking is disclosed herein. In one aspect, a jetting valve includes a valve body with a piston assembly disposed therein. The piston assembly is selectively operated to open and close the valve. A...

POPPET VALVE
The invention relates to a poppet valve having a valve body comprising a valve stem body, a valve head body with a valve combustion face and a valve fillet body interconnecting the valve stem body and the valve head body, wherein the val...

WO/2019/086154A1

INTERNALLY COOLED VALVE FOR AN INTERNAL COMBUSTION ENGINE
The invention relates to an internally cooled valve (2) comprising a valve body having a valve head (4) and a valve stem (6), wherein the valve body has at least one cavity (8) in which coolant (10) is arranged, which is a nanofluid (12)...

WO/2019/081397A1

HOLLOW POPPET VALVE AND MANUFACTURING METHOD THEREFOR
The invention relates to a poppet valve, in particular a hollow poppet valve, comprising: - a valve stem; - a valve body having along a longitudinal axis a first end with a neck portion to which the valve stem is coaxially arranged and h...

WO/2019/073448A1

TWO-STROKE INTERNAL COMBUSTION HEAT ENGINE
A two-stroke internal combustion heat engine (1) with fuel injection; the heat engine (1) has: at least one cylinder (2), which has, on the inside, a combustion chamber (6); a piston (7), which is mounted inside the cylinder (2) so as to...

CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE
The invention relates to a cylinder head (1) and a method for manufacturing for an internal combustion engine with at least one cylinder and at least two valve seats per cylinder for in each case one gas exchange valve with a cooling jac...

WO/2019/022032A1

VALVE STEM SEAL
Provided is a valve stem seal having increased durability against back pressure. The elastic body (20) of this valve stem seal (1) has: an annular seal lip (23) in contact with a valve stem; and an annular back-pressure lip (24) provided...

METHOD FOR THE PRODUCTION OF HOLLOW CHAMBER VALVES
Disclosed is a method for the production of a valve body of a hollow chamber valve, said method comprising: providing a bowl-shaped semi-finished product having an annular wall, which surrounds a hollow chamber, and a bottom portion, fol...

VALVE SPRING RETAINER AND INTERNAL COMBUSTION ENGINE
The purpose of the present invention is to provide an internal combustion engine in which the active state of a valve can be switched, there is little wear of a cam and a rocker arm, a cylinder head can be reduced in size, and an amount ...

WO/2018/218268A1

CYLINDER HEAD COMPRISING VALVE SEAT INSERT COOLING
The invention relates to a cylinder head (1) for an internal combustion engine comprising at least one cylinder, having at least one valve seat insert (5) for a poppet valve, wherein an annular cooling channel (6, 6') is associated with ...

WO/2018/211209A1

CONSTANT-VOLUME COMBUSTION SYSTEM
The invention relates to a constant-volume combustion system comprising at least one combustion chamber (1) which comprises at least one intake port (5) and one exhaust port, the system being characterized in that it comprises at least o...

WO/2018/210417A1

POPPET VALVE AND METHOD FOR PRODUCTION THEREOF
A poppet valve for a combustion engine is provided comprising a valve body with a valve stem and a valve head, wherein the valve comprises at least one protrusion of a predetermined shape located on the valve stem; wherein the at least o...

WO/2018/210416A1

POPPET VALVE AND METHOD FOR PRODUCTION THEREOF
A poppet valve for a combustion engine is provided comprising a valve body with a valve stem and a valve head, wherein the valve comprises at least one protrusion of a predetermined shape located on the valve stem; wherein the at least o...

WO/2018/196977A1

POPPET VALVE AND METHOD OF ITS MANUFACTURE
The present invention relates to a method for manufacturing a poppet valve or mushroom valve, comprising: providing a mixture of metal powder and a binder, filling and pressing said mixture in a mold, to obtain a green product, removing ...

INTERNAL COMBUSTION ENGINE
Internal combustion engines that use the pumping motion of the engine pistons to supercharge the cylinder with air/charge are disclosed. The pistons may include a skirt with a field of pockets that provide a ringless, non-lubricated, sea...

WO/2018/179590A1

SINTERED VALVE SEAT
In order to provide a sintered valve seat having exceptional valve-cooling performance that can be used in a high-efficiency engine, and that has exceptional deformation resistance, wear resistance, and fall-out resistance, a valve seat ...

ENGINE COOLING SYSTEM INCLUDING COOLED EXHAUST SEATS
A cooling system for a cylinder head of an internal combustion engine includes a cylindrical seat configured to engage an exhaust valve, a first coolant jacket, and a first conduit. The exhaust valve seat defines an annular cooling passa...

METHOD FOR MANUFACTURING LAMINATED MEMBER
This method for manufacturing a laminated member includes a step for forming a coating layer on a substrate by spraying, onto the substrate and in a non-molten state, a mixture of a plurality of precipitation hardened copper alloy partic...

THERMOMETRIC METALLURGY MATERIALS
A thermometric powder metal material for testing to replicate an actual powder material during use of the actual powder metal material in an internal combustion engine is provided. The thermometric powder metal material includes pores an...

CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE
A cylinder head (5) for a four-stroke internal combustion engine with supercharging is proposed. It comprises a cylinder head main body (10), at least one inlet valve (14) and an inlet duct (16) which is connected to it, wherein the inle...

SELF-CONTAINED E-FOOT
A rocker arm, comprises a first outer arm and a second outer. A pivot body is joined between the first end of the first outer arm and the third end of the second outer arm. An actuatable latch mechanism is within the pivot body. An inner...

WO/2018/068046A1

THREE ROLLER ROCKER ARM WITH OUTBOARD LOST MOTION SPRING
A rocker arm can comprise a first outer arm and a second outer arm joined by a pivot body. An actuatable latch mechanism is within the pivot body. An inner arm assembly comprises a latch arm. A first spring prop is on the inner arm assem...

CYLINDER HEAD AND ENGINE
[Problem] To strike a balance in the relationship between the component costs of intake and exhaust valves and the downsizing of an engine and the relationship between the cooling performance and the followability of the intake and exhau...

WO/2018/041560A1

LOW-WEAR VALVE CONE PIECE
The invention relates to a cone piece (2, 4) having a diamond-like carbon layer (6) on an inner face (8) of the cone piece (2, 4).